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Finding the Fourth Proportional to 14,818.02, 20,445.54 and 8,848.68

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Solution

The fourth proportional to 14,818.02, 20,445.54 and 8,848.68 is: 12,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818.02 : 20,445.54 = 8,848.68 : x
  2. Step 2: Convert to fraction form
    14,818.02/20,445.54 = 8,848.68/x
  3. Step 3: Cross multiply
    14,818.02x = 20,445.54 × 8,848.68
  4. Step 4: Simplify right side
    14,818.02x = 180,916,040.89
  5. Step 5: Solve for x
    x = 180,916,040.89/14,818.02
  6. Step 6: Final answer
    x = 12,209.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.